Home / 155,644.45-233,388.12-71,333.50

Finding the Fourth Proportional to 155,644.45, 233,388.12 and 71,333.50

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Solution

The fourth proportional to 155,644.45, 233,388.12 and 71,333.50 is: 106,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,644.45 : 233,388.12 = 71,333.50 : x
  2. Step 2: Convert to fraction form
    155,644.45/233,388.12 = 71,333.50/x
  3. Step 3: Cross multiply
    155,644.45x = 233,388.12 × 71,333.50
  4. Step 4: Simplify right side
    155,644.45x = 16,648,391,458.02
  5. Step 5: Solve for x
    x = 16,648,391,458.02/155,644.45
  6. Step 6: Final answer
    x = 106,964.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.